questionsmedicales.fr
Acides aminés, peptides et protéines
Protéines
Protéines de transport
Protéines AAA
Protéines AAA : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Protéines AAA
Diagnostic médical
Protéines AAA
Tests de laboratoire
Marqueurs biologiques
Protéines AAA
Imagerie médicale
Protéines AAA
Symptômes
5
Troubles cognitifs
Protéines AAA
Symptômes cutanés
Protéines AAA
Douleurs musculaires
Protéines AAA
Variabilité des symptômes
Protéines AAA
Prévention
5
Éducation génétique
Protéines AAA
Habitudes alimentaires
Protéines AAA
Traitements
5
Traitements
Protéines AAA
Thérapie génique
Protéines AAA
Médicaments
Protéines AAA
Physiothérapie
Protéines AAA
Complications
5
Complications
Protéines AAA
Maladies cardiovasculaires
Protéines AAA
Troubles métaboliques
Protéines AAA
Réversibilité
Protéines AAA
Facteurs de risque
5
Facteurs de risque
Protéines AAA
Mode de vie
Protéines AAA
Vieillissement
Protéines AAA
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"name": "Comment diagnostiquer une dysfonction des protéines AAA ?",
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"text": "Le diagnostic repose sur des tests génétiques et des analyses protéomiques."
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"@type": "Question",
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"position": 2,
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"@type": "Question",
"name": "Les biopsies sont-elles utiles pour les protéines AAA ?",
"position": 3,
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"@type": "Question",
"name": "Quels marqueurs biologiques sont associés aux protéines AAA ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des marqueurs comme Hsp70 peuvent être utilisés pour évaluer l'activité des protéines AAA."
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"@type": "Question",
"name": "Les imageries médicales aident-elles au diagnostic ?",
"position": 5,
"acceptedAnswer": {
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"text": "L'imagerie peut montrer des anomalies cellulaires, mais n'est pas spécifique aux protéines AAA."
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"@type": "Question",
"name": "Quels symptômes indiquent une anomalie des protéines AAA ?",
"position": 6,
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"text": "Des symptômes incluent la faiblesse musculaire, la fatigue et des troubles neurologiques."
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"@type": "Question",
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"position": 7,
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"@type": "Question",
"name": "Y a-t-il des symptômes cutanés associés ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines maladies liées aux protéines AAA peuvent provoquer des éruptions cutanées."
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"@type": "Question",
"name": "Les douleurs musculaires sont-elles fréquentes ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des douleurs musculaires peuvent survenir en raison de dysfonctionnements des protéines."
}
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"@type": "Question",
"name": "Les symptômes varient-ils selon les types de protéines AAA ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes peuvent varier selon le type de protéine AAA impliquée et la pathologie."
}
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"@type": "Question",
"name": "Peut-on prévenir les dysfonctionnements des protéines AAA ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "La prévention est difficile, mais un mode de vie sain peut réduire les risques."
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"@type": "Question",
"name": "Les dépistages réguliers sont-ils utiles ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des dépistages peuvent aider à identifier précocement les anomalies génétiques."
}
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"@type": "Question",
"name": "L'éducation génétique est-elle importante ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'éducation sur les maladies héréditaires peut aider à la prévention."
}
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"@type": "Question",
"name": "Les habitudes alimentaires influencent-elles la santé des protéines ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée peut soutenir la santé cellulaire et protéique."
}
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"@type": "Question",
"name": "Le stress a-t-il un impact sur les protéines AAA ?",
"position": 15,
"acceptedAnswer": {
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"text": "Oui, le stress chronique peut affecter la fonction cellulaire et les protéines."
}
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"@type": "Question",
"name": "Quels traitements existent pour les dysfonctionnements des protéines AAA ?",
"position": 16,
"acceptedAnswer": {
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"text": "Les traitements incluent des thérapies géniques et des médicaments ciblant les voies cellulaires."
}
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"@type": "Question",
"name": "La thérapie génique est-elle efficace ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la thérapie génique montre des résultats prometteurs dans certaines pathologies liées."
}
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"@type": "Question",
"name": "Des médicaments spécifiques sont-ils disponibles ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des inhibiteurs de l'ATPase sont en cours d'étude pour traiter les dysfonctionnements."
}
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"@type": "Question",
"name": "Les approches nutritionnelles aident-elles ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une nutrition adéquate peut soutenir la fonction cellulaire, mais n'est pas un traitement direct."
}
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"@type": "Question",
"name": "La physiothérapie est-elle recommandée ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la physiothérapie peut aider à gérer les symptômes musculaires et améliorer la fonction."
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"@type": "Question",
"name": "Quelles complications peuvent survenir avec les protéines AAA ?",
"position": 21,
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"text": "Des complications incluent des maladies neurodégénératives et des troubles musculaires."
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"@type": "Question",
"name": "Les maladies cardiovasculaires sont-elles liées ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines dysfonctionnements des protéines AAA peuvent augmenter le risque cardiovasculaire."
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"@type": "Question",
"name": "Y a-t-il des risques de cancer associés ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anomalies dans les protéines AAA peuvent être liées à certains types de cancer."
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"@type": "Question",
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"text": "Oui, des dysfonctionnements peuvent entraîner des troubles métaboliques variés."
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"position": 25,
"acceptedAnswer": {
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"text": "Certaines complications peuvent être gérées, mais d'autres peuvent être irréversibles."
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"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent des prédispositions génétiques, l'âge et des facteurs environnementaux."
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"@type": "Question",
"name": "L'hérédité joue-t-elle un rôle ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines mutations génétiques héréditaires augmentent le risque de dysfonction."
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"name": "Le mode de vie influence-t-il le risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sédentaire et une mauvaise alimentation peuvent augmenter le risque."
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},
{
"@type": "Question",
"name": "Les infections peuvent-elles affecter les protéines AAA ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines infections virales peuvent perturber la fonction des protéines AAA."
}
},
{
"@type": "Question",
"name": "Le vieillissement est-il un facteur de risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le vieillissement peut affecter la fonction des protéines et augmenter les risques."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 18/02/2025
Contenu vérifié selon les dernières recommandations médicales
6 publications dans cette catégorie
Affiliations :
Laboratory of Chemistry and Cell Biology, The Rockefeller University, New York, NY, USA. kapoor@rockefeller.edu.
4 publications dans cette catégorie
Affiliations :
Laboratory of Chemistry and Cell Biology, The Rockefeller University, New York, NY, USA.
Publications dans "Protéines AAA" :
4 publications dans cette catégorie
Affiliations :
Laboratory of Chemistry and Cell Biology, The Rockefeller University, New York, NY, USA.
Tri-Institutional PhD Program in Chemical Biology, The Rockefeller University, New York, NY, USA.
Publications dans "Protéines AAA" :
3 publications dans cette catégorie
Affiliations :
Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, U.S.A.
Publications dans "Protéines AAA" :
3 publications dans cette catégorie
Publications dans "Protéines AAA" :
3 publications dans cette catégorie
Publications dans "Protéines AAA" :
3 publications dans cette catégorie
Affiliations :
Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA. xiad@mail.nih.gov.
Publications dans "Protéines AAA" :
3 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Chemistry and Cell Biology, The Rockefeller University, New York, NY, USA.
Tri-Institutional PhD Program in Chemical Biology, The Rockefeller University, New York, NY, USA.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, U.S.A.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of Alabama at Birmingham, Birmingham, AL, U.S.A.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Chemistry and Cell Biology, The Rockefeller University, New York, NY 10065, USA; Weill Cornell/Rockefeller/Sloan Kettering Tri-Institutional MD-PhD Program, New York, NY 10065, USA.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot 761001, Israel.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot 761001, Israel.
Publications dans "Protéines AAA" :
Tilt testing can help to diagnose unexplained syncope, by precipitating an episode during cardiac monitoring. The Italian protocol, now most widely used, involves giving sublingual nitroglycerine afte...
In syncopal patients without underlying structural disease, we sought to investigate the association of Adenosine Plasma Levels (ADP) with the clinical presentation of neurally mediated syncope (NMS) ...
We studied 124 patients with different clinical types of NMS, i.e., Vasovagal (VVS, n=58), non-prodromes (NPS, n=18), or situational syncope (SS, n=48), using a standard protocol including HUTT and AD...
Baseline ADP did not differ among groups. ADP at syncope were higher in NPS (n=5) compared to VVS (n=20): 0.23 vs. 0.12 μΜ, p=0.03, and SS (n=22): 0.04 μΜ, p=0.02. In NPS, ADP increased from supine to...
The subset of NPS patients with positive HUTT, show excessive ADP release at the time of syncope. This may explain the lack of prodromes in this form of syncope. Such observations contribute to the un...
Dynamic ST-segment elevation during head-up tilt testing with normal coronary angiography....
Little is still known about the positivity rate of nitroglycerin (NTG) potentiated head-up tilt test (HUTT) according to the history-based clinical features of syncope. The study aimed to compare the ...
We retrospectively evaluated all consecutive patients who underwent NTG-potentiated HUTT for VVS. The study population was dichotomized into classical and non-classical VVS....
A total of 1285 VVS patients (45± 19.1 years; 49.6% male) were enrolled: 627 (48.8%) had a history of classical VVS and 658 (51.2%) of non-classical VVS. HUTT was positive in 866 (67.4%) patients. The...
The clinical presentation of syncope influences the overall HUTT positivity rate and the type of responses. Cardioinhibitory response and traumatic syncope are more likely in patients with non-classic...
Tilt table testing (TTT) has been used for decades to study short-term blood pressure (BP) and heart rate regulation during orthostatic challenges. TTT provokes vasovagal reflex in many syncope patien...
To assess the recovery of the cardiac autonomic control system (CACS) response to the modified tilt-test during rehabilitation, in children post moderate-severe TBI at the subacute phase post-injury....
Thirty-seven children aged 6-18 years, 14-162 days post moderate-severe TBI, participated in the study. The assessment included CACS values evaluation (heart rate (HR), heart rate variability (HRV) an...
In both assessments, only four children reported symptoms associated with orthostatic intolerance during the modified tilt-test. No change was found over time in the HR and HRV values at rest. In resp...
Children post moderate-severe TBI at the sub-acute phase post-injury, have a better systolic blood pressure response during the modified tilt-test after eight weeks of individually tailored rehabilita...
NCT03215082....
Although beta blockers, such as metoprolol, have been widely used in the management of vasovagal syncope (VVS), their efficacy remains debated, with larger studies showing limited benefit. Identifying...
This retrospective study was conducted at a single center. Patients diagnosed with VVS and treated with metoprolol for a minimum of three months were included. A 50% reduction in syncope symptom score...
A total of 168 VVS patients were enrolled between January 2016 and December 2020. Of these, 100 patients responded positively to metoprolol, while 68 did not. No significant differences in baseline ch...
Higher peak HR, larger increases in HR, and greater HR variability during the HUTT may serve as reliable predictors of a positive response to metoprolol in patients with VVS....
In the pediatric population, syncope is mainly from vasovagal (VVS) origin. Its evaluation must be done by clinical methods, and the tilt test (TT) can contribute to the diagnosis....
To analyze the clinical profile, Calgary and modified Calgary scores, response to TT and heart rate variability (HRV) of patients aged ≤ 18 years with presumed VVS. To compare the variables between pa...
Observational and prospective study, with 73 patients aged between 6 and 18 years, submitted to clinical evaluation and calculation of scores without previous knowledge of the TT. It was done at 70º u...
Median age was 14.0 years; 52% of participants were female, 72 had Calgary ≥ -2 (mean 1.80), and 69 had modified Calgary ≥ -3 (mean 1.38). Prodromes were observed in 59 patients, recurrence in 50 and ...
Most children and adolescents with a presumed diagnosis of VVS presented a typical clinical scenario, with a Calgary score ≥ -2, and a predominant vasodepressor response to TT. Greater sympathetic act...
Head-up tilt test (HUTT) is clinically advantageous for diagnosing patients with vasovagal syncope (VVS). Nitroglycerin is mainly used as a stimulant during HUTT, and mitochondrial aldehyde dehydrogen...
A total of 199 VVS patients were enrolled, including 101 patients in the ALDH2*1/*1 group and 98 patients in the ALDH2*2 group. Among patients undergoing HUTT-NTG, 70.3% of patients in the ALDH2*1/*1 ...
ALDH2 Glu487Lys polymorphism did not affect the outcome of VVS patients undergoing HUTT-NTG, and no significant change in the hemodynamic characteristics of different genotypes was found....
Otolith organ acts complementarily with the autonomic nervous system to maintain blood pressure. However, the effect of blood pressure variability in the autonomic nervous system on otolith organ has ...
This study included 432 patients diagnosed with idiopathic BPPV. The follow-up period for all patients was 12 months. Age, sex, hypertension, diabetes and recurrence were analyzed. The HUTT parameters...
In summary, the group with increased average diastolic blood pressure (DBP1) showed a higher tendency for BPPV recurrence compared to the group with decreased diastolic blood pressure (DBP2) in the up...
It is presumed that poor autonomic nervous system response through vestibulosympathetic reflex maintains elevated diastolic blood pressure in the upright position during the HUTT. This variability is ...